JBT 1666-1997 履带式推土机 试验方法

P97JB/T1666－1997履带式推土机试验方法1997-06-20发布1998-01-01实施中华人民共和国机械工业部发布I前言1范围····················································································································································································································12引用标准·········································································································································································································13总则····················································································································································································································14定位试验·········································································································································································································45推土装置性能试验····················································································································································································76行驶性能试验·······························································································································································································97牵引性能试验·····························································································································································································148推土机作业试验························································································································································································159油清洁度试验·····························································································································································································1710热平衡试验·······························································································································································································1811防水密封性试验·····················································································································································································1912视野试验·····································································································································································································2013噪声试验·····································································································································································································2114司机座椅振动试验················································································································································································2115工业性试验·······························································································································································································22JB/T1666－1997目次II前言本标准非等效采用日本工业标准JISD6503—1982《履带式拖拉机性能试验方法》，对JB1666—84《履带式推土机型式试验方法》进行了修订。本标准与原标准的主要改变情况说明如下：a)增加了第1章范围和第2章引用标准。b)所有量纲均改用SI国际计量单位、SI辅助单位与导出单位。c)试验场地由原标准中2类改成现标准中3类，与ISO国际标准中的相关内容等效。d)测量精度要求，将各参数精度由单一精度要求列成绝对精度与相对精度两种精度要求，使其至少达到其中的一种精度要求，使其更具合理性和可行性。e)第4～15章，试验方法中凡能引用现有国家标准、机械行业标准的一概引用，以缩减本标准篇幅。f)增加第9章油清洁度试验，因为清洁度已列入产品质量分等项目中，而且对推土机使用性能影响较大，补充进来使内容更充实。g)增加第11章防水密封性试验，因为使用中司机室、油底壳等部件均对水的密封性有要求，为此而增加。其试验项目与内容可按合同要求进行。h)工业性试验时间原标准规定为2000h，试验周期太长，场地也不易选定，考虑实际情况，现标准改为昀少1000h。i)原标准中有两个附录，本标准修订时在正文中已考虑进去了，故不再设附录。本标准从生效之日起，同时代替JB1666—84。本标准由机械工业部工程机械标准化技术委员会提出并归口。本标准起草单位：机械工业部天津工程机械研究所。本标准主要起草人：李名祥。JB/T1666－199711范围本标准规定了履带式推土机定型或鉴定时的型式试验方法。本标准适用于机械传动型和液力机械传动型履带式推土机(以下简称推土机)的新产品、变型产品、转厂生产或经重大改进的老产品，在投入批量生产前的各项试验。产品的定期检查，也可按本标准进行试验。2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准昀新版本的可能性。GB6375—86土方机械牵引力测试方法GB8418—87土方机械整机尺寸的测量方法GB8419—87土方机械司机座椅振动试验方法和限值GB10913—89土方机械行驶速度测定GB16710.1—1996工程机械噪声限值GB/T16710.2—1996工程机械定置试验条件下机外辐射噪声的测定GB/T16710.3—1996工程机械定置试验条件下司机位置处噪声的测定GB/T16710.4—1996工程机械动态试验条件下机外辐射噪声的测定GB/T16710.5—1996工程机械动态试验条件下司机位置处噪声的测定JB3690—84工程机械整机及其工作装置和部件的质量测量方法JB3873—85工程机械重心位置测定方法JB/T6033—92履带式推土机热平衡性能试验方法JB/T6036—92履带式推土机水密性试验方法JB/T7157—93工程机械燃油箱清洁度测定方法JB/T7158—93工程机械零部件清洁度测定方法JB/T7160—93工程机械司机视野试验方法JB/T7306—94履带式推土机技术条件JB/T51007—92属带式推土机可靠性试验方法、故障分类及评定3总则3.1提供试验的推土机台数提供型式试验的推土机一般为2台，在结束各项性能试验后，至少1台投入工业性试验。3.2试验前的准备3.2.1技术资料的准备a)应有推土机与发动机的使用说明书和零件目录；机械工业部1997-06-20批准中华人民共和国机械行业标准履带式推土机试验方法JB/T1666－1997代替JB1666—841998-01-01实施JB/T1666－19972b)应有推土机出厂验收技术条件及验收合格证；c)应有试验推土机的发动机、变矩器、变速器、液压泵的台架性能试验报告；d)主要零件的易损部位装配前的实际尺寸测量记录。3.2.2测量仪器的准备所用的仪器设备在试验前均需经过检定合格。3.2.3试验场地的准备3.2.3.1定位试验场地应是履剌不致下陷的平坦混凝土面或坚实平面。在推土机昀大外形尺寸范围内地面的各向坡度不应大于0.5%，地面的平面度要求每平方米不大于3mm。3.2.3.2行驶试验场地应使用泥结碎石或其他特种材料路面跑道。路面应平整、清洁。测试路段昀短长度为100m。试验跑道宽度不小于6m。应有足够的加速助跑段，并能满足试验时机器制动、转向及反向试验的要求。跑道的纵向坡度不得大于0.4%，横向坡度不得大于2.5%。试验时各向风速不得大于6m/s。3.2.3.3牵引试验场地应是水平的直线路面，应具有足够的附着性能和较小的滚动阻力。跑道昀短长度为100m。